Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 830 [Rate centres in NPA 830] [Dial plan for NPA 830]

NXX: 322

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-322 A Carrizo Springs TX   6529 T-MOBILE USA, INC. 566      
830-322 0 Carrizo Springs TX SNANTX91X3Y  5562 METROPCS, INC. 566      
830-322 1 Carrizo Springs TX SNANTX91X7Y  6529 T-MOBILE USA, INC. 566      
830-322 2 Carrizo Springs TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-322 3 Carrizo Springs TX SNANTX39DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 566      
830-322 4 Carrizo Springs TX   6529 T-MOBILE USA, INC. 566      
830-322 5 Carrizo Springs TX SNANTXCA58Z  516C AT&T CORP. 566      
830-322 6 Carrizo Springs TX SNANTX91X7Y  6529 T-MOBILE USA, INC. 566      
830-322 7 Carrizo Springs TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-322 8 Carrizo Springs TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-322 9 Carrizo Springs TX   6529 T-MOBILE USA, INC. 566      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.